Unique Loft Office space 1918 RSF Sq. Ft. avail. $16 per sq. ft. $2, 557 per month. Price includes CAM and Taxes! Prime AAA space high end loft look and design. Must see premium office complex. Located in the Challenge Properties Windmill office complex. ADA approved, building is elevator equipped. Fox Valley walking path and bike path is adjacent, Located ON the Batavia, IL downtown rest. district. Immediate Availability. High speed COMCAST and AT&T Fiber to site.